import {
  request
} from "../../request/index.js"

import regeneratorRuntime from '../../lib/runtime/runtime'
Page({

  data: {
    tabs: [{
        id: 0,
        value: "综合",
        isActive: true
      },
      {
        id: 1,
        value: "销量",
        isActive: false
      },
      {
        id: 2,
        value: "价格",
        isActive: false
      },
    ],
    goodsList:[]

  },
  QueryParams: {
    query: "",
    cid: "",
    pagenum: 1,
    pagesize: 10
  },
  //总页数
  totalPages:1,

  onLoad: function (options) {

    setTimeout(function () {
      wx.hideLoading()
    }, 2000)
    
    this.QueryParams.cid = options.cid||"";
    this.QueryParams.query = options.query||"";
    this.getGoodsList()
  },
  //获取商品列表数据
  async getGoodsList() {
    const res = await request({url:"/goods/search",data:this.QueryParams})
    const total = res.total
    this.totalPages = Math.ceil(total/this.QueryParams.pagesize)
    this.setData({
      goodsList:[...this.data.goodsList,...res.goods]
    })

    wx.stopPullDownRefresh()


  },
  handleTabsItemChange(e) {
    const {
      index
    } = e.detail

    let {
      tabs
    } = this.data

    tabs.forEach((v, i) => i === index ? v.isActive = true : v.isActive = false)

    this.setData({
      tabs
    })
  },
  //页面上滑事件
  onReachBottom(){
    if(this.QueryParams.pagenum>=this.totalPages){
      wx.showToast({
        title: '没有更多数据了',
        icon: 'none',
        image: '',
        duration: 1500,
        mask: false,
        success: (result)=>{
          
        },
        fail: ()=>{},
        complete: ()=>{}
      });

    }else{
      this.QueryParams.pagenum++
      this.getGoodsList()
    }
  },
  //下拉刷新
  onPullDownRefresh(){
    //重置数组
    this.setData({
      goodsList:[]
    })

    //重置页码
    this.QueryParams.pagenum = 1

    this.getGoodsList()
  }

})